Last updated: July 2, 2025
In Contraalmirante Cordero, Argentina, understanding the UV Index is crucial for safeguarding your skin, especially under the region's semi-arid climate (BSk). As the sun rises higher in the sky during daytime hours, the potential for sunburn increases dramatically. With UV levels peaking at 3 between noon and 3 PM, residents and visitors alike must be aware of these fluctuations to protect their skin and overall health against the harmful effects of ultraviolet radiation. Regular monitoring of UV levels not only aids in sunburn prevention but also fosters long-term skin health, making it essential to stay informed during the sunny months.
The UV Index for the day presents a dynamic pattern that peaks in the midday sun. Starting from 07:00, the index remains at a safe 0, gradually increasing to 1 by 09:00 and reaching 2 by 11:00. As noon approaches, the UV Index hits its peak at 3 from 12:00 to 15:00, suggesting that solar protection is essential during these hours. After that, it begins to decline, dropping back to 1 by 17:00 and returning to 0 by 19:00. This hourly data clearly illustrates the importance of being cautious and applying sunscreen, especially during the peak hours of 12:00 to 15:00, when UV exposure is at its highest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 0 | low | 45 min |
| 09:00 | 1 | low | 45 min |
| 10:00 | 1 | low | 45 min |
| 11:00 | 2 | low | 45 min |
| 12:00 | 3 | moderate | 30 min |
| 13:00 | 3 | moderate | 30 min |
| 14:00 | 3 | moderate | 30 min |
| 15:00 | 3 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index shows significant seasonal changes, with the highest levels recorded in January and December at an extreme index of 14, where the burn time is just 10 minutes. February and November also remain high at an extreme index of 13. The transition to lower UV levels begins in March with a very high index of 10, but exposure remains risky, especially as summer months approach. The months of April and September shift to high and moderate levels respectively, while May, June, and July offer moderate indices around 3 to 4. Visitors and residents should take extra precautions during the high-risk months of January, February, November, and December by minimizing sun exposure, wearing protective clothing, and using sunscreen, as they are at increased risk of harmful UV effects. Even in moderate months, it’s advisable to be mindful of sun safety practices to protect against overexposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Contraalmirante Cordero | 14 | 13 | 10 | 6 | 4 | 3 | 3 | 5 | 7 | 10 | 13 | 14 |
| Buenos Aires UVI | 14 | 13 | 11 | 7 | 5 | 4 | 4 | 6 | 8 | 10 | 13 | 14 |
| Rosario UVI | 14 | 13 | 11 | 8 | 5 | 4 | 4 | 6 | 8 | 11 | 13 | 14 |
| Mendoza UVI | 15 | 14 | 12 | 8 | 6 | 4 | 5 | 6 | 9 | 12 | 14 | 15 |
| Cordoba UVI | 15 | 13 | 12 | 9 | 6 | 4 | 5 | 7 | 9 | 12 | 14 | 15 |
| San Miguel de Tucuman UVI | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 7 | 10 | 13 | 15 | 15 |